\documentclass{ctexrep}%Chinese report
\usepackage{tabularray}%tabular

\begin{document}
\begin{tblr}{
		cells={c,m},
		hlines,
		vlines,
	}
	AAAAAAA & BBBBBBB \\
	c       & {f      \\g} \\ %multirows
	d       & h       \\
	e       & {i      \\j}    %multirows
\end{tblr}
\end{document}
